Cast iron melting process

Details Cast iron melting process Cast iron melting process

1975-07-29

1977-05-03

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 57, C21C 552

Patent

active

040212327

ABSTRACT:
A cast iron melting process comprising the steps of charging recarburizer in the lower portion of an electric arc furnace, charging iron scraps, and charging oxidizing slag-forming agents and/or sponge irons, and/or blowing oxygen therein to make oxidizing slag, whereby a recarburizing reaction of an iron melt with the recarburizer is carried out in parallel with an oxidizing reaction of an iron melt with an oxidizing slag, thereby minimizing the loss of C and Si, while improving a recarburizing yield, with the resulting improvements in economy.

REFERENCES:
patent: 3524742 (1970-08-01), Williams

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